PT - JOURNAL ARTICLE AU - Kuznar, Wayne TI - Investigational Selective JAK1 Inhibitor Improves Measures of Disease Activity in RA DP - 2013 Sep 01 TA - MD Conference Express PG - 18--18 VI - 13 IP - 8 4099 - http://mdc.sagepub.com/content/13/8/18.short 4100 - http://mdc.sagepub.com/content/13/8/18.full AB - An investigational selective inhibitor of Janus kinase 1 (JAK1) was found to improve clinical endpoints with a favorable safety profile in a Phase 2a dose-ranging study of patients with rheumatoid arthritis (RA). This article discusses the results of a 4-week double-blind, placebo-controlled study of GLPG0634, an orally-available, selective inhibitor of JAK1, in patients with active RA [Vanhoutte FP et al. EULAR 2013 (poster 0229)].